9 January 2014On 20 December, members of the Accelerator Division SRF Electron Linac Department and the Technical Division SRF Development Department successfully brought the first accelerating cavity in Cryomodule 2 to a gradient of 31.5 megavolts per meter, the gradient required for the proposed International Linear Collider. The achievement demonstrates the cavity's successful integration into the cryomodule.
Category: Feature | Tagged: accelerating gradient, cryomodule, Fermilab, Superconducting RF
Qian Pan | 24 January 2013When the New Year’s bell was still echoing in the air, physicists from China and Japan gathered in Beijing to attend the fifth IHEP-KEK collaboration meeting on 1.3-GHz superconducting radiofrequency (SRF) technology which was held at the Institute of High Energy Physics (IHEP), Chinese Academy of Sciences from 7 to 8 January 2013. Six high-energy accelerator experts from KEK and Kyoto University and nearly twenty physicists from IHEP participated.
Category: Around the World | Tagged: Asian collaboration, Superconducting RF
Daisy Yuhas | 4 October 2012What is a quench? Everything has a limit—superconducting cavities are no exception. Physicists put voltage in their superconducting cavities to boost the energy of particles. But it’s possible to ask for too much from a cavity. When this happens, the cavity fails: the superconducting material becomes normal-conducting, the voltage collapses and the energy escapes. This is called a quench.
Category: LCpedia | Tagged: cavity, quench, Superconducting RF
Barry Barish | 9 February 2012On 19 and 20 January 2012, the third Baseline Technical Review to finalise the Technical Design Report baseline was held at KEK laboratory in Japan. The meeting reviewed the proposed cavity gradient performance, cavity integration, and the main linac integration and interfaces to the ILC conventional facilities, including radiofrequency power, control and interfaces to conventional facilities. A special meeting on superconducting radiofrequency costs followed this meeting on 21 January.
Category: Director's Corner | Tagged: baseline technical review, btr, KEK, SRF, Superconducting RF, TDR, Technical Design Report
Mike Harrison | 27 October 2011Superconducting radiofrequency technology is advancing, the ILC design is coming together, and the LHC programme is running exceptionally well, although the evidence for new physics remains tantalizing. The linear collider community is well on its way to bringing the next big particle collider to the world's stage.
Category: Director's Corner | Tagged: LCWS11, LHC, Superconducting RF
26 February 2009One of the high-value R&D programmes for the ILC is to reliably reach gradients of 35 Megavolts per metre (MV/m) in one-metre long (9-cell, 1.3-Gigahertz) niobium cavities, the heart of the main linac. More than a dozen such cavities have demonstrated gradients between 35 and 40 MV/m at DESY, and more recently at Jlab. The challenge is to hit such performance levels nearly every time, and with nearly every cavity! This means that we need to conduct some good science to understand the basic nature of the gradient limits, and clever engineering to invent methods to overcome these.
Category: Feature | Tagged: cavity gradient, Superconducting RF